}
}
-let neverHasSideEffects = 1 in {
+let hasSideEffects = 0 in {
let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
defm VLDM : vfp_ldst_mult<"vldm", 1, IIC_fpLoad_m, IIC_fpLoad_mu>;
let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
-defm VSTM : vfp_ldst_mult<"vstm", 0, IIC_fpLoad_m, IIC_fpLoad_mu>;
+defm VSTM : vfp_ldst_mult<"vstm", 0, IIC_fpStore_m, IIC_fpStore_mu>;
-} // neverHasSideEffects
+} // hasSideEffects
def : MnemonicAlias<"vldm", "vldmia">;
def : MnemonicAlias<"vstm", "vstmia">;
+// FLDM/FSTM - Load / Store multiple single / double precision registers for
+// pre-ARMv6 cores.
+// These instructions are deprecated!
+def : VFP2MnemonicAlias<"fldmias", "vldmia">;
+def : VFP2MnemonicAlias<"fldmdbs", "vldmdb">;
+def : VFP2MnemonicAlias<"fldmeas", "vldmdb">;
+def : VFP2MnemonicAlias<"fldmfds", "vldmia">;
+def : VFP2MnemonicAlias<"fldmiad", "vldmia">;
+def : VFP2MnemonicAlias<"fldmdbd", "vldmdb">;
+def : VFP2MnemonicAlias<"fldmead", "vldmdb">;
+def : VFP2MnemonicAlias<"fldmfdd", "vldmia">;
+
+def : VFP2MnemonicAlias<"fstmias", "vstmia">;
+def : VFP2MnemonicAlias<"fstmdbs", "vstmdb">;
+def : VFP2MnemonicAlias<"fstmeas", "vstmia">;
+def : VFP2MnemonicAlias<"fstmfds", "vstmdb">;
+def : VFP2MnemonicAlias<"fstmiad", "vstmia">;
+def : VFP2MnemonicAlias<"fstmdbd", "vstmdb">;
+def : VFP2MnemonicAlias<"fstmead", "vstmia">;
+def : VFP2MnemonicAlias<"fstmfdd", "vstmdb">;
+
def : InstAlias<"vpush${p} $r", (VSTMDDB_UPD SP, pred:$p, dpr_reglist:$r)>,
Requires<[HasVFP2]>;
def : InstAlias<"vpush${p} $r", (VSTMSDB_UPD SP, pred:$p, spr_reglist:$r)>,
AXXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, variable_ops),
IndexModeUpd, !strconcat(asm, "dbx${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
let Inst{24-23} = 0b10; // Decrement Before
- let Inst{21} = 1;
+ let Inst{21} = 1; // Writeback
let Inst{20} = L_bit;
}
}
defm FLDM : vfp_ldstx_mult<"fldm", 1>;
defm FSTM : vfp_ldstx_mult<"fstm", 0>;
+def : VFP2MnemonicAlias<"fldmeax", "fldmdbx">;
+def : VFP2MnemonicAlias<"fldmfdx", "fldmiax">;
+
+def : VFP2MnemonicAlias<"fstmeax", "fstmiax">;
+def : VFP2MnemonicAlias<"fstmfdx", "fstmdbx">;
+
//===----------------------------------------------------------------------===//
// FP Binary Operations.
//
let Inst{5} = Sm{0};
let Inst{15-12} = Dd{3-0};
let Inst{22} = Dd{4};
+
+ let Predicates = [HasVFP2, HasDPVFP];
}
// Special case encoding: bits 11-8 is 0b1011.
/* FIXME */ IIC_fpCVTHS, "vcvtb", ".f16.f32\t$Sd, $Sm",
[/* For disassembly only; pattern left blank */]>;
-def : Pat<(f32_to_f16 SPR:$a),
- (i32 (COPY_TO_REGCLASS (VCVTBSH SPR:$a), GPR))>;
-
-def : Pat<(f16_to_f32 GPR:$a),
- (VCVTBHS (COPY_TO_REGCLASS GPR:$a, SPR))>;
-
def VCVTTHS: ASuI<0b11101, 0b11, 0b0010, 0b11, 0, (outs SPR:$Sd), (ins SPR:$Sm),
/* FIXME */ IIC_fpCVTSH, "vcvtt", ".f32.f16\t$Sd, $Sm",
[/* For disassembly only; pattern left blank */]>;
let Inst{5} = Dm{4};
}
-multiclass vcvt_inst<string opc, bits<2> rm> {
+def : Pat<(fp_to_f16 SPR:$a),
+ (i32 (COPY_TO_REGCLASS (VCVTBSH SPR:$a), GPR))>;
+
+def : Pat<(fp_to_f16 (f64 DPR:$a)),
+ (i32 (COPY_TO_REGCLASS (VCVTBDH DPR:$a), GPR))>;
+
+def : Pat<(f16_to_fp GPR:$a),
+ (VCVTBHS (COPY_TO_REGCLASS GPR:$a, SPR))>;
+
+def : Pat<(f64 (f16_to_fp GPR:$a)),
+ (VCVTBHD (COPY_TO_REGCLASS GPR:$a, SPR))>;
+
+multiclass vcvt_inst<string opc, bits<2> rm,
+ SDPatternOperator node = null_frag> {
let PostEncoderMethod = "", DecoderNamespace = "VFPV8" in {
def SS : ASuInp<0b11101, 0b11, 0b1100, 0b11, 0,
(outs SPR:$Sd), (ins SPR:$Sm),
NoItinerary, !strconcat("vcvt", opc, ".s32.f32\t$Sd, $Sm"),
- []>, Requires<[HasFPARMv8]> {
+ [(set SPR:$Sd, (arm_ftosi (node SPR:$Sm)))]>,
+ Requires<[HasFPARMv8]> {
let Inst{17-16} = rm;
}
def US : ASuInp<0b11101, 0b11, 0b1100, 0b01, 0,
(outs SPR:$Sd), (ins SPR:$Sm),
NoItinerary, !strconcat("vcvt", opc, ".u32.f32\t$Sd, $Sm"),
- []>, Requires<[HasFPARMv8]> {
+ [(set SPR:$Sd, (arm_ftoui (node SPR:$Sm)))]>,
+ Requires<[HasFPARMv8]> {
let Inst{17-16} = rm;
}
def SD : ASuInp<0b11101, 0b11, 0b1100, 0b11, 0,
(outs SPR:$Sd), (ins DPR:$Dm),
NoItinerary, !strconcat("vcvt", opc, ".s32.f64\t$Sd, $Dm"),
- []>, Requires<[HasFPARMv8, HasDPVFP]> {
+ [(set SPR:$Sd, (arm_ftosi (f64 (node (f64 DPR:$Dm)))))]>,
+ Requires<[HasFPARMv8, HasDPVFP]> {
bits<5> Dm;
let Inst{17-16} = rm;
def UD : ASuInp<0b11101, 0b11, 0b1100, 0b01, 0,
(outs SPR:$Sd), (ins DPR:$Dm),
NoItinerary, !strconcat("vcvt", opc, ".u32.f64\t$Sd, $Dm"),
- []>, Requires<[HasFPARMv8, HasDPVFP]> {
+ [(set SPR:$Sd, (arm_ftoui (f64 (node (f64 DPR:$Dm)))))]>,
+ Requires<[HasFPARMv8, HasDPVFP]> {
bits<5> Dm;
let Inst{17-16} = rm;
}
}
-defm VCVTA : vcvt_inst<"a", 0b00>;
+defm VCVTA : vcvt_inst<"a", 0b00, frnd>;
defm VCVTN : vcvt_inst<"n", 0b01>;
-defm VCVTP : vcvt_inst<"p", 0b10>;
-defm VCVTM : vcvt_inst<"m", 0b11>;
+defm VCVTP : vcvt_inst<"p", 0b10, fceil>;
+defm VCVTM : vcvt_inst<"m", 0b11, ffloor>;
def VNEGD : ADuI<0b11101, 0b11, 0b0001, 0b01, 0,
(outs DPR:$Dd), (ins DPR:$Dm),
let D = VFPNeonA8Domain;
}
-multiclass vrint_inst_zrx<string opc, bit op, bit op2> {
+multiclass vrint_inst_zrx<string opc, bit op, bit op2, SDPatternOperator node> {
def S : ASuI<0b11101, 0b11, 0b0110, 0b11, 0,
(outs SPR:$Sd), (ins SPR:$Sm),
NoItinerary, !strconcat("vrint", opc), ".f32\t$Sd, $Sm",
- []>, Requires<[HasFPARMv8]> {
+ [(set (f32 SPR:$Sd), (node (f32 SPR:$Sm)))]>,
+ Requires<[HasFPARMv8]> {
let Inst{7} = op2;
let Inst{16} = op;
}
def D : ADuI<0b11101, 0b11, 0b0110, 0b11, 0,
(outs DPR:$Dd), (ins DPR:$Dm),
NoItinerary, !strconcat("vrint", opc), ".f64\t$Dd, $Dm",
- []>, Requires<[HasFPARMv8, HasDPVFP]> {
+ [(set (f64 DPR:$Dd), (node (f64 DPR:$Dm)))]>,
+ Requires<[HasFPARMv8, HasDPVFP]> {
let Inst{7} = op2;
let Inst{16} = op;
}
Requires<[HasFPARMv8,HasDPVFP]>;
}
-defm VRINTZ : vrint_inst_zrx<"z", 0, 1>;
-defm VRINTR : vrint_inst_zrx<"r", 0, 0>;
-defm VRINTX : vrint_inst_zrx<"x", 1, 0>;
+defm VRINTZ : vrint_inst_zrx<"z", 0, 1, ftrunc>;
+defm VRINTR : vrint_inst_zrx<"r", 0, 0, fnearbyint>;
+defm VRINTX : vrint_inst_zrx<"x", 1, 0, frint>;
-multiclass vrint_inst_anpm<string opc, bits<2> rm> {
+multiclass vrint_inst_anpm<string opc, bits<2> rm,
+ SDPatternOperator node = null_frag> {
let PostEncoderMethod = "", DecoderNamespace = "VFPV8" in {
def S : ASuInp<0b11101, 0b11, 0b1000, 0b01, 0,
(outs SPR:$Sd), (ins SPR:$Sm),
NoItinerary, !strconcat("vrint", opc, ".f32\t$Sd, $Sm"),
- []>, Requires<[HasFPARMv8]> {
+ [(set (f32 SPR:$Sd), (node (f32 SPR:$Sm)))]>,
+ Requires<[HasFPARMv8]> {
let Inst{17-16} = rm;
}
def D : ADuInp<0b11101, 0b11, 0b1000, 0b01, 0,
(outs DPR:$Dd), (ins DPR:$Dm),
NoItinerary, !strconcat("vrint", opc, ".f64\t$Dd, $Dm"),
- []>, Requires<[HasFPARMv8, HasDPVFP]> {
+ [(set (f64 DPR:$Dd), (node (f64 DPR:$Dm)))]>,
+ Requires<[HasFPARMv8, HasDPVFP]> {
let Inst{17-16} = rm;
}
}
Requires<[HasFPARMv8,HasDPVFP]>;
}
-defm VRINTA : vrint_inst_anpm<"a", 0b00>;
+defm VRINTA : vrint_inst_anpm<"a", 0b00, frnd>;
defm VRINTN : vrint_inst_anpm<"n", 0b01>;
-defm VRINTP : vrint_inst_anpm<"p", 0b10>;
-defm VRINTM : vrint_inst_anpm<"m", 0b11>;
+defm VRINTP : vrint_inst_anpm<"p", 0b10, fceil>;
+defm VRINTM : vrint_inst_anpm<"m", 0b11, ffloor>;
def VSQRTD : ADuI<0b11101, 0b11, 0b0001, 0b11, 0,
(outs DPR:$Dd), (ins DPR:$Dm),
IIC_fpSQRT32, "vsqrt", ".f32\t$Sd, $Sm",
[(set SPR:$Sd, (fsqrt SPR:$Sm))]>;
-let neverHasSideEffects = 1 in {
+let hasSideEffects = 0 in {
def VMOVD : ADuI<0b11101, 0b11, 0b0000, 0b01, 0,
(outs DPR:$Dd), (ins DPR:$Dm),
IIC_fpUNA64, "vmov", ".f64\t$Dd, $Dm", []>;
def VMOVS : ASuI<0b11101, 0b11, 0b0000, 0b01, 0,
(outs SPR:$Sd), (ins SPR:$Sm),
IIC_fpUNA32, "vmov", ".f32\t$Sd, $Sm", []>;
-} // neverHasSideEffects
+} // hasSideEffects
//===----------------------------------------------------------------------===//
// FP <-> GPR Copies. Int <-> FP Conversions.
let D = VFPNeonDomain;
}
-let neverHasSideEffects = 1 in {
+let hasSideEffects = 0 in {
def VMOVRRD : AVConv3I<0b11000101, 0b1011,
(outs GPR:$Rt, GPR:$Rt2), (ins DPR:$Dm),
IIC_fpMOVDI, "vmov", "\t$Rt, $Rt2, $Dm",
// Some single precision VFP instructions may be executed on both NEON and VFP
// pipelines.
let D = VFPNeonDomain;
+
+ // This instruction is equivalent to
+ // $Rt = EXTRACT_SUBREG $Dm, ssub_0
+ // $Rt2 = EXTRACT_SUBREG $Dm, ssub_1
+ let isExtractSubreg = 1;
}
def VMOVRRS : AVConv3I<0b11000101, 0b1010,
let D = VFPNeonDomain;
let DecoderMethod = "DecodeVMOVRRS";
}
-} // neverHasSideEffects
+} // hasSideEffects
// FMDHR: GPR -> SPR
// FMDLR: GPR -> SPR
// Some single precision VFP instructions may be executed on both NEON and VFP
// pipelines.
let D = VFPNeonDomain;
+
+ // This instruction is equivalent to
+ // $Dm = REG_SEQUENCE $Rt, ssub_0, $Rt2, ssub_1
+ let isRegSequence = 1;
}
-let neverHasSideEffects = 1 in
+let hasSideEffects = 0 in
def VMOVSRR : AVConv5I<0b11000100, 0b1010,
(outs SPR:$dst1, SPR:$dst2), (ins GPR:$src1, GPR:$src2),
IIC_fpMOVID, "vmov", "\t$dst1, $dst2, $src1, $src2",
// FP Conditional moves.
//
-let neverHasSideEffects = 1 in {
+let hasSideEffects = 0 in {
def VMOVDcc : PseudoInst<(outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm, cmovpred:$p),
IIC_fpUNA64,
[(set (f64 DPR:$Dd),
[(set (f32 SPR:$Sd),
(ARMcmov SPR:$Sn, SPR:$Sm, cmovpred:$p))]>,
RegConstraint<"$Sn = $Sd">, Requires<[HasVFP2]>;
-} // neverHasSideEffects
+} // hasSideEffects
//===----------------------------------------------------------------------===//
// Move from VFP System Register to ARM core register.
"vmrs", "\t$Rt, mvfr0", []>;
def VMRS_MVFR1 : MovFromVFP<0b0110 /* mvfr1 */, (outs GPR:$Rt), (ins),
"vmrs", "\t$Rt, mvfr1", []>;
+ def VMRS_MVFR2 : MovFromVFP<0b0101 /* mvfr2 */, (outs GPR:$Rt), (ins),
+ "vmrs", "\t$Rt, mvfr2", []>, Requires<[HasFPARMv8]>;
def VMRS_FPINST : MovFromVFP<0b1001 /* fpinst */, (outs GPR:$Rt), (ins),
"vmrs", "\t$Rt, fpinst", []>;
def VMRS_FPINST2 : MovFromVFP<0b1010 /* fpinst2 */, (outs GPR:$Rt), (ins),
//===----------------------------------------------------------------------===//
// Assembler aliases.
//
-// A few mnemnoic aliases for pre-unifixed syntax. We don't guarantee to
+// A few mnemonic aliases for pre-unifixed syntax. We don't guarantee to
// support them all, but supporting at least some of the basics is
// good to be friendly.
def : VFP2MnemonicAlias<"flds", "vldr">;
// VMOVD does.
def : VFP2InstAlias<"vmov${p} $Sd, $Sm",
(VMOVS SPR:$Sd, SPR:$Sm, pred:$p)>;
+
+// FCONSTD/FCONSTS alias for vmov.f64/vmov.f32
+// These aliases provide added functionality over vmov.f instructions by
+// allowing users to write assembly containing encoded floating point constants
+// (e.g. #0x70 vs #1.0). Without these alises there is no way for the
+// assembler to accept encoded fp constants (but the equivalent fp-literal is
+// accepted directly by vmovf).
+def : VFP3InstAlias<"fconstd${p} $Dd, $val",
+ (FCONSTD DPR:$Dd, vfp_f64imm:$val, pred:$p)>;
+def : VFP3InstAlias<"fconsts${p} $Sd, $val",
+ (FCONSTS SPR:$Sd, vfp_f32imm:$val, pred:$p)>;
projects / oota-llvm.git / blobdiff